Method for compensating a perturbed capacitive circuit and application to matrix display device
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United States of America Patent
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Dec 6, 2005
Grant Date -
Feb 13, 2003
app pub date -
Feb 23, 2001
filing date -
Feb 25, 2000
priority date (Note) -
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Abstract
A process for compensating a circuit including at least one first conductor with a specified potential, at least one second conductor generating disturbances on the first conductor by capacitive coupling, and a first bus with a reference voltage, coupled capacitively to the first conductor. The process includes the following steps: measuring of the current flowing on the first bus upon the application of a voltage to the second conductor; integrating a measured current to obtain a compensation voltage to be applied to the first conductor; and applying the compensation voltage to at least one of the rows via the compensation conductor bus, the compensation bus coupled capacitively to the rows.
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